Today's noteworthy downgrades include: Activision Blizzard (ATVI) downgraded to Neutral from Buy at Hilliard Lyons... Associated British Foods (ASBFY) downgraded to Neutral from Buy at UBS... Avolon (AVOL) downgraded to Market Perform from Outperform at Wells Fargo... BofI Holding (BOFI) downgraded to Neutral from Buy at DA Davidson... Coca-Cola Enterprises (CCE) downgraded on negative catalysts at Argus... Emerson (EMR) downgraded to Hold from Buy at Argus... Financial Engines (FNGN) downgraded to Underperform at Raymond James... Fitbit (FIT) downgraded to Neutral from Buy at Dougherty... Genworth (GNW) downgraded to Outperform from Strong Buy at Raymond James... Hysan Development (HYSNY) downgraded to Hold from Buy at Jefferies... IPC Healthcare (IPCM) downgraded to Hold from Buy at Jefferies... Identiv (INVE) downgraded to In-Line from Outperform at Imperial Capital... Keurig Green Mountain (GMCR) downgraded at Morgan Stanley... Lumber Liquidators (LL) downgraded to Equal Weight from Overweight at Stephens... Martha Stewart (MSO) downgraded to Sell from Hold at Noble Financial... Memorial Production (MEMP) downgraded on commodity price environment at RBC Capital... Midstates Petroleum (MPO) downgraded to Market Perform from Outperform at Northland... Momenta (MNTA) downgraded to Neutral from Buy at Goldman... Mondelez (MDLZ) downgraded to Outperform from Buy at CLSA... OM Group (OMG) downgraded to Neutral from Buy at Northcoast... Plains All American (PAA) downgraded to Hold from Buy at Wunderlich... Plains GP Holdings (PAGP) downgraded to Neutral from Outperform at Baird... Tronox (TROX) downgraded to Neutral from Buy at B. Riley... USANA (USNA) downgraded to Neutral from Buy at DA Davidson... Unilife (UNIS) downgraded to Hold from Buy at Jefferies.